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[[File:1200px-Alexander_the_Great_mosaic.jpg|thumbnail|left|300px|Alexander the Great]]

In the public's mind, few well known conquerors in history match the exploits of Alexander the Great. In just a few years, from 334-330 BC, Alexander would go on to conquer the largest empire the world had known and establish his own empire that eventually stretched from Greece to India. Furthermore, Alexander began a process where Greek culture began to intermix with ancient Near Eastern, Egyptian, Central Asian, and Indian cultures that influenced much of the Old World for many centuries.

The exchange of ideas and trade brought about an era of unprecedented prosperity and knowledge that advanced the ancient world's sciences and led to many discoveries that would not be replicated until the Renaissance in the 15 or 16th century AD. What is remarkable is he achieved all of this by the age of 32 at the time of his death in Babylon. However, the root of all the social change that would eventually influence Europe, the Near East, Egypt, and much of Asia rested in his ability to conquer a lot of territory and doing it quickly. The question is how did he do this?